package com.platform.aop;

import com.alibaba.fastjson.JSON;
import com.platform.annotation.SysLog;
import com.platform.entity.SysLogEntity;
import com.platform.entity.SysUserEntity;
import com.platform.service.SysLogService;
import com.platform.utils.HttpContextUtils;
import com.platform.utils.IPUtils;
import com.platform.utils.ShiroUtils;
import java.lang.reflect.Method;
import java.util.Date;
import javax.servlet.http.HttpServletRequest;
import org.aspectj.lang.JoinPoint;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;
import org.aspectj.lang.annotation.Pointcut;
import org.aspectj.lang.reflect.MethodSignature;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

/**
 * 系统日志，切面处理类
 *
 * @author lipengjun
 * @email 939961241@qq.com
 * @date 2017年3月8日 上午11:07:35
 */
@Aspect
@Component
public class SysLogAspect {

  @Autowired
  private SysLogService sysLogService;

  /**
   * 切点
   */
  @Pointcut("@annotation(com.platform.annotation.SysLog)")
  public void logPointCut() {

  }

  /**
   * 前置通知
   *
   * @param joinPoint 连接点
   */
  @Before("logPointCut()")
  public void saveSysLog(JoinPoint joinPoint) {
    MethodSignature signature = (MethodSignature) joinPoint.getSignature();
    Method method = signature.getMethod();

    SysLogEntity sysLog = new SysLogEntity();
    SysLog syslog = method.getAnnotation(SysLog.class);
    if (syslog != null) {
      //注解上的描述
      sysLog.setOperation(syslog.value());
    }

    //请求的方法名
    String className = joinPoint.getTarget().getClass().getName();
    String methodName = signature.getName();
    sysLog.setMethod(className + "." + methodName + "()");

    //请求的参数
    Object[] args = joinPoint.getArgs();
    String params = JSON.toJSONString(args[0]);
    sysLog.setParams(params);

    //获取request
    HttpServletRequest request = HttpContextUtils.getHttpServletRequest();
    //设置IP地址
    sysLog.setIp(IPUtils.getIpAddr(request));

    //用户名
    SysUserEntity sysUserEntity = ShiroUtils.getUserEntity();
    String username = "";
    if ("login".equals(methodName)) {
      username = params;
    }
    if (null != sysUserEntity) {
      username = ShiroUtils.getUserEntity().getUsername();
    }
    sysLog.setUsername(username);

    sysLog.setCreateDate(new Date());
    //保存系统日志
    sysLogService.save(sysLog);
  }

}
